Pokémon: The First Movie: Mewtwo Strikes Back, commonly referred to as Pokémon: The First Movie, originally released as Pocket Monsters the Movie: Mewtwo Strikes Back! (劇場版ポケットモンスター ミュウツーの逆襲 Gekijōban Poketto Monsutā: Myūtsū no Gyakushū?), is a 1998 Japanese anime film directed by Kunihiko Yuyama, the chief director of the Pokémon television series. It is the first theatrical release in the Pokémon franchise.
It was released in Japan on July 18, 1998. The English-language adaptation, produced by Nintendo and 4Kids Entertainment, was released in North America on November 10, 1999.